Andreas Pappas

• • Currently a team of 2 and growing consisting of one experienced full stack engineer and one data science engineer & machine learning engineer. Having a partnership with the National & Kapodistrian University of Athens, Department of Informatics & Telecommunications, specifically in the AI department of it, being involved in a particular research program alongside 3 PhD and 2 Msc students with advisor prof Manolis Koubarakis.

• • Our responsibilities consist of researching, designing, architecturing, consulting and implementing full stack web applications and machine learning models and neural networks.

• • Tech stack includes but not limited to, Typescript, Javascript, React, Next.js, Node.js, Kotlin, Python, SQL and NoSQL DB's, (PostgreSQL, Cas‑ sandra, Redis, MongoDB, MariaDB), Bash, GitLab CI/CD, GitHub Actions, Vercel, Amazon AWS, ...

• • We're also currently on a due diligence stage with another Cyprus company (client) for a proposal of implementing a face recognition application for the client's football stadiums which will replace current ticketing system.

• • HealthSum client asked me to become CTO of their company and coordinate / manage their internal team.

• • Will coordinate, prioritize tasks, implement architectural diagarms & documents, suggest libraries, technologies, "the know how", for a new internal dental application for HealthSum

• • Code reviewing for both frontend and backend for HealthSum's internal team (tech stack mostly consists of NextJS, Typescript, Python & Kotlin as well as Bash scripting), as well as coordinating and managing / time, task tracking their team via Jira, Confuelnce etc..

• • Continuing work for the HealthSum company (client) from former Ballista current Carrera Group.

• • Also, researching, designing, architecturing and developing from scratch a low‑code Agentic AI platform for SciSpike's clients. (The largest being Accenture amongst others)

• • Tech stack consists of: Next.js, ReactFC, Typescript, TailwindCSS, Tanstack suite of libraries, sahdcnUI, radixUI and multiple custom hook imple‑ mentations and Context API + Redux Toolkit + Zustand for state management for the Frontend.

• • For the Backend side of the applications Typescript is the language of choice, NestJS framework (node.js with Typescript), Drizzle as ORM, PostgreSQL, alongside some Python FastAPI, Strawberry GraphQL microservices.

• • For the infrastructure, Docker, Docker Compose, GitHub actions, Bash and Python scripts for automation, and AWS for the cloud.